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- W2013174764 abstract "Rh@Pt core−shell, RhPt (1:1) alloy, and Rh + Pt monometallic nanoparticles (NPs) were prepared using standard polyol reduction chemistry in ethylene glycol (EG) with standard inorganic salts and polyvinylpyrrolidine (PVP55000) stabilizers. PVP-free colloids were also prepared but less stable than the PVP-protected NPs. Rh@Pt core−shell particles were prepared from 2.7, 3.3, and 3.9 nm Rh cores with varying shell thicknesses (∼1 and ∼2 ML). The particles were characterized by a combination of TEM, single-particle EDS, EDS line scans, XRD analysis, Debye Function simulations, FT-IR, and micro-Raman CO-probe experiments. The three different architectures were evaluated for preferential oxidation of CO in hydrogen (PROX) using 1.0 wt % Pt loadings in Al2O3 supports. For hydrogen feeds with 0.2% CO and 0.5% O2 the Rh@Pt NP catalyst has the best activity with complete CO oxidation at 70 °C and very high PROX selectivity at 40 °C with 50% CO conversion." @default.
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- W2013174764 date "2008-12-24" @default.
- W2013174764 modified "2023-10-14" @default.
- W2013174764 title "Rh−Pt Bimetallic Catalysts: Synthesis, Characterization, and Catalysis of Core−Shell, Alloy, and Monometallic Nanoparticles" @default.
- W2013174764 doi "https://doi.org/10.1021/ja8061425" @default.
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